Energy Utilities

Tulsa is served primarily by two major public utilities: Oklahoma Natural Gas (ONG), a subsidiary of Tulsa-based ONEOK, Inc. an AEP-PSO. ONG provides natural gas utility service to its customers, while PSO provides electric service. Additionally, some consumers in the Tulsa metro get portions of their power supplies from the Grand River Damn Authority (GRDA).

Utility companies are an important part of Tulsansí every day lives. These Tulsa companies are a vital part of a Tulsa energy sector that also includes exploration/production, pipelines, energy services, energy supply, and energy-related manufacturing and construction companies. Tulsa is home to both traditional and alternative energy and boasts cutting-edge research and development.

Tulsa-based ONEOK Inc. is among the largest natural gas distributors in the US serving more than 2 million customers in Oklahoma, Kansas, and Texas. ONEOK's energy services operation focuses primarily on marketing natural gas and related services throughout the US. The parent firm owns controlling interest in ONEOK Partners, a midstream gas pipeline and processing firm with assets nationwide. ONEOK has close to 1,250 employees based in Tulsa.

AEP-PSO boasts 1,100 employees in its Tulsa office. The Columbus, Ohio based company is Oklahoma's second largest electricity utility with 525,000 customers. AEP owns nearly 38,000 megawatts of generating capacity and maintains the largest electricity transmission network in the US. AEP serves over 5 million customers in 11 states.

The Grand River Dam Authority was created by the Oklahoma Legislature in 1935 to be a conservation and reclamation district for the waters of the Grand River. GRDA generates, transmits, and sells electricity to Oklahoma municipalities, electric cooperatives and industrial customers across a four-state region. GRDA operates three hydroelectric facilities and manages two lakes along the Grand River System.